// Check that the requested sub-directory exists and valid.
if (isset($_REQUEST['dir'])) {
$path = rawurldecode($_REQUEST['dir']);
if ($manager->validRelativePath($path)) {
$relative = $path;
}
}
$manager = new ImageManager($IMConfig);
$articleId = isset($_REQUEST['article_id']) && is_numeric($_REQUEST['article_id']) ? $_REQUEST['article_id'] : null;
// Get the list of files and directories
$list = array();
if (!is_null($articleId)) {
$list = $manager->getFiles($relative, $articleId);
}
if (isset($_REQUEST['image_id'])) {
$image = $manager->getImageByNumber($articleId, $_REQUEST['image_id']);
$imageAltOpt = '';
$imageTitleOpt = '';
if (isset($_REQUEST['image_alt'])) {
$imageAltOpt = $_REQUEST['image_alt'];
}
if (isset($_REQUEST['image_title'])) {
$imageTitleOpt = $_REQUEST['image_title'];
}
if (isset($_REQUEST['image_alignment'])) {
$imageAlignOpt = $_REQUEST['image_alignment'];
}
if (isset($_REQUEST['image_ratio'])) {
$imageRatioOpt = $_REQUEST['image_ratio'];
}
if (isset($_REQUEST['image_resize_width'])) {
